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WEIGHTS AND MEASURES 



REVISED 



Regulations Relating to Cream Test Scales and Bab- 
cock Milk and Cream Test Bottles 



PRESCRIBED BY 



J. Q. EMERY, 
Ex Officio State Superintendent of Weights and Measures 



OF 



WISCONSIN 



ISSUED NOVEMBER 21, 1914 



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STATE OF WISCONSIN 

Office of 

Dairy and Food Commission and Weights and Measures 

Madison, November 21, 1914. 

To Wisconsin Sealers of Weights and Measures : 

Subsection 6 of section 1659 of the Wisconsin statutes con- 
tains the following provision : 

"The superintendent of weights and measures shall 
issue 1 from time to tiine-, iv'gulalions for the guidance of all 
sealers, and the said regularioris shall govern the procedure 
to lie followed -by the aforesaid officers in the discharge 
of their duties. In said regulations he shall prescribe the 
amount of tolerance to be allowed." 

In obedience to the requirements of this statute, the following 
regulations are prescribed for the guidance of sealers of weights 
and measures in the performance of their official duties so far 
as the same relate to the subject of Babcock milk test bottles, 
standard Babcock pipettes, Babcock cream test bottles, and 
cream test and butter fat test scales, which supersede all previ- 
ous regulations issued on this subject. 

Babcock Milk Test Bottles. 

Babcock milk test bottles complying with the following spe- 
cifications shall be sealed : 

The standard Babcock test bottles for milk shall have a ca- 
pacity of two cubic centimeters for each 10 per cent marked 
on the necks thereof. 

The necks of the standard Babcock milk test bottles shall be 
graduated from zero to 1" per cent and the graduated scale 
shall be 75 millimeters in length, with an allowable tolerance of 
5 millimeters either above or below. The graduated scale shall 



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be plainly divided into per cent and fifth per eenl divisions by 
lines of different lengths. Each per eenl graduation shall be 
numbered and the tolerance for the entire graduated scale or for 
either half thereof shall not exceed one tenth of one per cent. 

Subsection 1 of section L494aa of the Wisconsin statutes pro- 
vides as follows : 

"In the use of the Babcoek test, the standard milk 
measures or pipettes shall have a capacity of seventeen 

and six tenths cubic centimeters, and the standard tesl 
tubes or bottles tor milk shall have a capacity of two cubic 
centimeters for each ten per cent marked on the necks 
thereof; cream shall be tested by weighl and the standard 
unit for testing shall be eighteen grams, and it is hereby 
made a misdemeanor to use any" other standards of milk or 
cream measure where milk or cream is purchased by or 
furnished to creameries or cheese factories and where the 
value of said milk or cream is determined by the per cent 
of butter fat contained in the same, or wherever the value 
of milk or cream is determined by the per cent of butter 
fat contained in the same by the Babcoek test." 

Referring to the foregoing provisions of law and other laws 
prescribing the duties of the stale superintendenl of weights and 
measures. Attorney General Owen has rendered the following 
official opinion : 

"The fact that the statute says that the standard test 
tubes or bottles shall have a capacity of two cubic centi- 
meters for each K» per cent marked on the neeks thereof 
implies that the necks should have marked thereon the 10 
per cent mark. I believe that a so-called milk lest bottle 
having only 8 per cent mark on the neck is. therefore, 
not in compliance with the provision of this law and you 
are. therefore, instructed that yon would not be warranted 
in approving the same." 

Stand \rn> B vbcock Pipettes. 

The standard pipettes shall have a capacity of 17.6 cubic 
centimeters. 

When filled with water at 20 < '. delivery shall he in :» to 8 
seconds. The tolerance shall not exceed .05 cubic centimeter. 

Not< . Section 1494aa of the Wisconsin statutes contains the 

following provision : 

"Cream shall be tested by weighl and the standard unit 
for testing shall be eighteen grams, and it is hereby mad" 



— 6 — 

a misdemeanor to use any other standards of * * * 
cream measure where * * * cream is purchased by or 
furnished to creameries or cheese factories and where the 
value of said * * * cream is determined by the per 
cent of butter fat contained in the same, or wherever the 
value of * * * cream is determined by the percent of 
butter fat contained in the same by the Babcock test." 



Babcock Cream Test Bottees. 

The standard unit for testing shall be 18 grams. 

Babcock cream test bottles of the following types and com- 
plying with the following specifications are to be sealed : 

Type A. Thirty per cent. 18 gram, 6 inch J/o per cent grad- 
uations. Each 5 per cent on the neck of the bottle shall rep- 
resent a volume of 1 cubic centimeter. 

The neck of the bottle shall be graduated from zero to 30 
per cent and the graduated scale 'shall be 75 millimeters in 
length, with an allowable tolerance of 10 millimeters above or 
below. The graduated scale shall be plainly divided into 5 per 
cent, 1 per cent and ^ per cent divisions by lines of different 
lengths. Each 5 per cent or 10 per cent graduation shall be num- 
bered. The allowable tolerance for calibration shall not exceed 
% per cent for the entire graduated scale or for either half 
thereof. 

Type B. Thirty per cent, 18 gram, 9 inch, .2 per cent grad- 
uations. 

The neck of the bottle shall be graduated from zero to 30 per 
cent and the graduated scale shall be 125 millimeters in length, 
with an allowable tolerance of 15 millimeters either above or 
below. Tlie graduated scale shall be plainly divided into JHPfc* 
■stgft, 1 per cent and .2 per cent divisions by lines of different 
lengths. Each 5 per cent or 10 per cent graduation shall be 
numbered. The allowable tolerance for calibration shall not 
exceed .2 per cent for the entire graduated scale or for either 
half thereof. Other specifications same as for Type A. 

Type C. Forty per cent, 18 gram, 6 inch, y 2 per cent grad- 
uations. 

The neck of the bottle shall be graduated from zero to 40 
per cent and the graduated scale shall be 75 millimeter" in 
length, with an allowable tolerance of 10 millimeters either above 
or below. 



— 7 — 

All othi r specifications are to be the same as for Typi A. 

Typt 1). Fifty per cent, L8 gram, 7 inch. y 2 per cenl grad- 
uations. 

The neck of the bottle shall be graduated from zero to 50 
per cenl and the graduated scale shall be 105 millimeters in 
Length, with an allowable tolerance of 13 millimeters either above 
or below. 

All other specifications are to be the same as for Typi A. 

Type E. Fifty per cenl. 18 gram, 9 inch, ' _> per cenl grad- 
uations. 

The neck of the bottle shall be graduated from zero to 50 per 
cent and the graduated scale shall be 125 millimeters in length. 

with an allowable toleran< f L5 millimeters either above or 

below. 

All other specifications are to be the same as for Type A. 

Referring to the provisions of section L494aa of the Wisconsin 
statutes hereinbefore quoted, Attorney General Owen has ren- 
dered the following official opinion relative to 9 gram cream test 

bottles : 

"Under this statute it is provided thai 'cream shall be 
tested by weight and the standard unit for testing shall 
be 18-grams and il is hereby made a misdemeanor to use 
any other standards of milk or cream measure,' etc. As 
18 grams are expressly mentioned as the standard unit 
used in testing, and as no mention is made of a 9-gram 
standard unit, I am of the opinion that only the 18-gram 
cream test bottles can be used and the 0-gram cream test 
bottles should be condemned/' 

Cream Test and Butteb Pat Test Scales. 

The seale shall be provided with a graduated plate of a1 least 
ten divisions over which the pointer plays. 

The pointer shall reach to the graduated divisions and shall 
terminate in a fine point to enable the readings to be made 
clearly and distinct Ly. 

The clear* interval between the divisions on the graduated 
plate shall not lie less than .05 inch. 

All scales whose weight indications are changed by an amount 
greater than one half the tolerance allowed, when set in any po- 
sition on a surface making an angle of 3 degrees or approxi- 
mately 5 per cent with the horizontal, shall be equipped with 




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— <J — 

leveling screws and with a device which will indicate when the 
scale is level. Provided, however, that the scale shall be rebal- 
anced a1 zero each time its position is altered during this test. 
The scale shall he so constructed and adjusted thai when the 

pans are released or disturbed the pointer will return to resl a1 
the zero mark. 

The addition of '!2.4 milligrams or one half grain to the scale 
when loaded to capacity shall cause a movement of the pointer 
at least equal to one division on the graduated plate. 

The tolerance either in excess or deficiency when the scale is 
fully loaded shall be one grain. 

Weights. A tolerance of 20 milligrams is allowable in L8 
gram weights and in milligrams in 9 gram weights. The man- 
ufacturers' tolerance shall be one half this amount. 

Note. To avoid liability of penalty for violation of the 
weights and measures law by the use of any unsealed' weight, 
scale, measure or measuring appliance of any description, in- 
cluding new appliances, or any such appliance that has not been 
sealed within one year, owners of the same should give notice in 
writing to the sjfcate superintendent of weights and measures, 
Madisi a, Wis., or to the city sealer if in a city having a city sealer 
of weights and measures, of the fact that they have such weight 
or measure or weighing or measuring device, giving a descrip- 
tion of the same and its location. See subsection 3, section 44.T2 
Wisconsin statutes. 



Dairy and Food Commissioner. 

Ex officio state Superintendent of Weights and Measures. 




— 10 



Office of 

Dairy and Food Commission and Weights and Measures. 

Madison, Wis., March 4, 1914. 
To Cheese Factory and Creamery Managers, Cheese Makers 
and Butter Makers : 

Paragraph 3 of section 1659 of the Wisconsin statutes re- 
lating to weights and measures places a general supervision of 
all weights and measures and weighing or measuring devices of 
the state in the hands of the state superintendent of weights 
and measures. It further provides that he or his inspectors by 
his direction shall, upon the written request of any citizen, firm 
or corporation, or educational institution of the state, test or 
calibrate weights, measures, weighing or measuring devices, and 
instruments or apparatus used as standards in this state. 

Under the provisions of this act, owners of creameries and 
cheese factories may send to the office of weights and measures 
at Madison, Wis., any Babcock milk, cream, or butter test 
bottles, any milk pipettes, and any scales or weights used in 
the weighing of cream samples, and the same will be tested. 
No fees are charged for testing. Many managers are now or- 
dering their new supplies sent direct to the office of weights 
and measures for testing and sealing, thus insuring accuracy 
before being put to use, with little or no inconvenience. In 
sending in old glassware, it is best to send only part of the sup- 
ply on hand- at one time, as sometimes several weeks may elapse 
before the glassware can be returned. 

In' sending apparatus for testing and sealing the following 
rules should be complied with : 

1. Address all packages to J. Q,. Emery, Office of Weights 

and Measures, State Capitol, Madison, Wis. 

2. The name and address of consignor should be placed on 

the outside of the package. 

3. Transportation charges on packages should be prepaid. 



— 11 — 

4. If consignor desires package to be returned by parcel 

post, postage should be enclosed in letter to pay for 
return of same. 

5. Bottles to be tested must be thoroughly cleaned before 

sending, so that all sediment or deposit on the inside 
of the bottles is removed. No tests will be made of 
glassware that is not thoroughly clean when submitted. 

6. Extreme care should be exercised in packing such glass- 

ware or scales for shipment, as this department will 
not be responsible for breakage. 

J. Q. EMERY, 
Dairy and Food Commissioner, 
Ex officio State Superintendent of Weights and Measures. 



